Home / 249,488.10-374,195.70-71,976.60

Finding the Fourth Proportional to 249,488.10, 374,195.70 and 71,976.60

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Solution

The fourth proportional to 249,488.10, 374,195.70 and 71,976.60 is: 107,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,488.10 : 374,195.70 = 71,976.60 : x
  2. Step 2: Convert to fraction form
    249,488.10/374,195.70 = 71,976.60/x
  3. Step 3: Cross multiply
    249,488.10x = 374,195.70 × 71,976.60
  4. Step 4: Simplify right side
    249,488.10x = 26,933,334,220.62
  5. Step 5: Solve for x
    x = 26,933,334,220.62/249,488.10
  6. Step 6: Final answer
    x = 107,954.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.